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BMW E39 525i M54 2.5L

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BMW E39 525i M54 2.5L Engine Cooling Parts

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Torx Screw - Priced Each

ES#15894 - 07129901130 - Torx Screw - Priced Each - M6X20 - Genuine BMW - BMW MINI

M6X20 Earn 5% back in ECS Rewards on orders placed 10/26/26 - 10/31/26. Redeem 11/26/26 - 12/1/26. Terms & conditions apply

Brand:
Genuine BMW - Corporate Logo
ES#:
15894
Mfg#:
07129901130
In Stock
$2.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

O-ring - priced each

ES#3463456 - 11531703848 - O-ring - priced each - 18.2x3. Used in the cooling system - Bremmen Parts - BMW

18.2x3. Used in the cooling system 10X Entries Into Our F80 M3 Sweepstakes Earn 5% back in ECS Rewards on orders placed 10/26/26 - 10/31/26. Redeem 11/26/26 - 12/1/26. Terms & conditions apply

Brand:
Bremmen Parts - Corporate Logo
ES#:
3463456
Mfg#:
11531703848
Ships in 1 day
ON SALE! SAVE 20%
$2.74

This product was last offered at the strikethrough price on
05-02-2026

$2.19 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Temperature Switch for Control Unit Housing (E-Box) (35 deg. C)

ES#2895858 - 12521741900 - Temperature Switch for Control Unit Housing (E-Box) (35 deg. C) - Vemo - BMW

Earn 5% back in ECS Rewards on orders placed 10/26/26 - 10/31/26. Redeem 11/26/26 - 12/1/26. Terms & conditions apply

Brand:
Vemo - Corporate Logo
ES#:
2895858
Mfg#:
12521741900
Ships in 1 Business Day
$40.99

This product was last offered at the strikethrough price on
05-07-2026

$38.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

16" Fan shroud gasket

ES#4147340 - 30130074 - 16" Fan shroud gasket - Provides .25" stand off from radiator - Spal - Audi BMW MINI

Provides .25" stand off from radiator Earn 5% back in ECS Rewards on orders placed 10/26/26 - 10/31/26. Redeem 11/26/26 - 12/1/26. Terms & conditions apply

Brand:
Spal - Corporate Logo
ES#:
4147340
Mfg#:
30130074
In Stock at Vendor
$17.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Sheet Metal Screw - Priced Each

ES#14005 - 07119900794 - Sheet Metal Screw - Priced Each - Used in various trim mounting points - Genuine BMW - BMW

Used in various trim mounting points Earn 5% back in ECS Rewards on orders placed 10/26/26 - 10/31/26. Redeem 11/26/26 - 12/1/26. Terms & conditions apply

Brand:
Genuine BMW - Corporate Logo
ES#:
14005
Mfg#:
07119900794
Ships in 1 day
$2.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Thermostat Housing Gasket

ES#3676458 - 703307100 - Thermostat Housing Gasket - Needs to be replaced once removed - Victor Reinz - BMW

Needs to be replaced once removed Earn 5% back in ECS Rewards on orders placed 10/26/26 - 10/31/26. Redeem 11/26/26 - 12/1/26. Terms & conditions apply

Brand:
Victor Reinz - Corporate Logo
ES#:
3676458
Mfg#:
703307100
In Stock
ON SALE! SAVE 17%
$10.64

This product was last offered at the strikethrough price on
06-25-2026

$8.84 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Coolant Bleeder Screw - Priced Each

ES#4316519 - 17111712788 - Coolant Bleeder Screw - Priced Each - Comes with O-Ring - Bremmen Parts - BMW MINI

Comes with O-Ring 10X Entries Into Our F80 M3 Sweepstakes Earn 5% back in ECS Rewards on orders placed 10/26/26 - 10/31/26. Redeem 11/26/26 - 12/1/26. Terms & conditions apply

Brand:
Bremmen Parts - Corporate Logo
ES#:
4316519
Mfg#:
17111712788
Ships on Dec 16, 2026
ON SALE! SAVE 39%
$3.99

This product was last offered at the strikethrough price on
09-14-2026

$2.44 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Expansion Tank Cap Seal

ES#37900 - 17111723580 - Expansion Tank Cap Seal - Keep your coolant in. - Genuine BMW - BMW

Keep your coolant in. Earn 5% back in ECS Rewards on orders placed 10/26/26 - 10/31/26. Redeem 11/26/26 - 12/1/26. Terms & conditions apply

Brand:
Genuine BMW - Corporate Logo
ES#:
37900
Mfg#:
17111723580
In Stock
$12.99

This product was last offered at the strikethrough price on
08-13-2026

$6.78 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Fan Blade

ES#2771251 - 11521712058 - Fan Blade - Replace your brittle fan before it sends a blade through your radiator - Vaico - BMW

Replace your brittle fan before it sends a blade through your radiator Earn 5% back in ECS Rewards on orders placed 10/26/26 - 10/31/26. Redeem 11/26/26 - 12/1/26. Terms & conditions apply
We Price Match - Give Us A Call or Chat!

Brand:
Vaico - Corporate Logo
ES#:
2771251
Mfg#:
11521712058
Special Order: No Guaranteed ETA
$31.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Radiator Hose

ES#2813485 - 11531705223 - Radiator Hose - Includes retaining clips - Hamburg Tech - BMW

Includes retaining clips Earn 5% back in ECS Rewards on orders placed 10/26/26 - 10/31/26. Redeem 11/26/26 - 12/1/26. Terms & conditions apply
We Price Match - Give Us A Call or Chat!

Brand:
Hamburg Tech - Corporate Logo
ES#:
2813485
Mfg#:
11531705223
In Stock
Limited Qty Sale
$37.99

This product was last offered at the strikethrough price on
05-02-2026

$30.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Auxiliary Fan Switch

ES#2867844 - 13621433077 - Auxiliary Fan Switch - Comes with related o-ring - Febi - BMW MINI

Comes with related o-ring Earn 5% back in ECS Rewards on orders placed 10/26/26 - 10/31/26. Redeem 11/26/26 - 12/1/26. Terms & conditions apply
We Price Match - Give Us A Call or Chat!

Brand:
Febi - Corporate Logo
ES#:
2867844
Mfg#:
13621433077
Ships on Jan 25, 2027
$29.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Fan Blade

ES#3673290 - 11521712058 - Fan Blade - Replace your brittle fan before it sends a blade through your radiator - JL Germany - BMW

Replace your brittle fan before it sends a blade through your radiator Earn 5% back in ECS Rewards on orders placed 10/26/26 - 10/31/26. Redeem 11/26/26 - 12/1/26. Terms & conditions apply

Brand:
JL Germany
ES#:
3673290
Mfg#:
11521712058
Special Order: No Guaranteed ETA
$29.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Coolant Level Sensor

ES#2816042 - 61318360876 - Coolant Level Sensor - Monitors the coolant level in the expansion tank - Hamburg Tech - BMW

Monitors the coolant level in the expansion tank Earn 5% back in ECS Rewards on orders placed 10/26/26 - 10/31/26. Redeem 11/26/26 - 12/1/26. Terms & conditions apply
We Price Match - Give Us A Call or Chat!

Brand:
Hamburg Tech - Corporate Logo
ES#:
2816042
Mfg#:
61318360876
Ships in 1 Business Day
$14.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Auxiliary Fan Switch O-Ring

ES#2702266 - 13621433077S - Auxiliary Fan Switch O-Ring - Now you can just replace the o-ring instead of the whole switch - URO - BMW MINI

Now you can just replace the o-ring instead of the whole switch 2X Entries Into Our F80 M3 Sweepstakes Earn 5% back in ECS Rewards on orders placed 10/26/26 - 10/31/26. Redeem 11/26/26 - 12/1/26. Terms & conditions apply
We Price Match - Give Us A Call or Chat!

Brand:
URO - Corporate Logo
ES#:
2702266
Mfg#:
13621433077S
In Stock
$0.88 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Sandwich Plate Fitting - priced each

ES#2764124 - MMSPF10ANBK - Sandwich Plate Fitting - priced each - M20 X 1.5 /10AN - Mishimoto - Audi BMW Volkswagen MINI

M20 X 1.5 /10AN Earn 5% back in ECS Rewards on orders placed 10/26/26 - 10/31/26. Redeem 11/26/26 - 12/1/26. Terms & conditions apply

Brand:
Mishimoto - Corporate Logo
ES#:
2764124
Mfg#:
MMSPF10ANBK
In Stock at Vendor
$13.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Coolant Temperature Sensor

ES#2800988 - 13621703993 - Coolant Temperature Sensor - Monitors coolant temperature - Meistersatz - BMW

Monitors coolant temperature Earn 5% back in ECS Rewards on orders placed 10/26/26 - 10/31/26. Redeem 11/26/26 - 12/1/26. Terms & conditions apply

Brand:
Meistersatz - Corporate Logo
ES#:
2800988
Mfg#:
13621703993
In Stock
Limited Qty Sale
$25.99

This product was last offered at the strikethrough price on
10-19-2026

$22.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

More About Engine Cooling Parts

Optimize your engine cooling system performance and heater output with quality drive belts, coolant hoses, cooling system parts, and approved coolant fluids from ECS Tuning. Head off expensive repairs and untimely breakdowns with regularly scheduled cooling system inspection and maintenance.

ECS Tuning is not affiliated with any automobile manufacturers.
Manufacturer names and/or part numbers are used only for identification purposes.

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